Probably the USB driver has wake lock and prevent the AP from sleep.

Franky

On Sep 4, 8:16 pm, Prabhu Chawandi <chaws.andr...@gmail.com> wrote:
> Hi ,
>
>  I am using MSM7227. Android 2.3.4 version.
> ARM9 - modem processor. ARM11 - Apps.
>
>    I am finding that (Apps Processor)  ARM11 is sleeping while charging
> using wall mount charger (AC), while it will be running when connected to PC
> using USB charger.
> As ARM11 is sleeping any key pressed are not taken at the moment its
> pressed.
>
> Any idea please share ...
>
> thanks
> Prabhu

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